Find flights
When to book
FAQs & Tips
Deals

Find cheap flights from Green Bay to Ontario from C$ 653

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Green Bay to Ontario departing on 22/4. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Sun 28/4
Sun 5/5

Search hundreds of travel sites at once for deals on flights to Ontario

In the last 7 days, travellers have searched 45,553,807 times on KAYAK, and here is why:

Save 17% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Free to useThere are no hidden charges or fees.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Good to know

Cheapest flight

C$ 653
Flight from Green Bay to Toronto

FAQs - booking Ontario flights

  • How does KAYAK find such low prices on flights from Green Bay to Ontario?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Green Bay to Ontario.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Green Bay to Ontario?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ontario from Green Bay is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Green Bay to Ontario?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ontario with an airline and back to Green Bay with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Green Bay to Ontario?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ontario from Green Bay up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top tips for finding cheap flights to Ontario

  • Morning departure is around 22% cheaper than an evening flight, on average*.
*Average of the lowest prices shown in KAYAK’s search results for departures within the next 30 days

Book cheap flights from Green Bay to Ontario

Recent round-trip flight deals

22/4Mon
1 stopLufthansa
3h 52mGRB-YYZ
28/4Sun
1 stopLufthansa
12h 09mYYZ-GRB
C$ 653
22/4Mon
2 stopsDelta
15h 04mGRB-YYZ
28/4Sun
1 stopDelta
5h 35mYYZ-GRB
C$ 680
22/4Mon
1 stopUnited Airlines
3h 52mGRB-YYZ
28/4Sun
1 stopUnited Airlines
12h 09mYYZ-GRB
C$ 701
16/4Tue
1 stopAmerican Airlines
18h 52mGRB-YYZ
17/4Wed
1 stopAmerican Airlines
4h 20mYYZ-GRB
C$ 738
13/4Sat
1 stopDelta
3h 55mGRB-YYZ
16/4Tue
2 stopsDelta
13h 54mYYZ-GRB
C$ 752
22/4Mon
2 stopsBritish Airways
11h 35mGRB-YYZ
28/4Sun
2 stopsBritish Airways
15h 39mYYZ-GRB
C$ 756
16/4Tue
1 stopAmerican Airlines
5h 35mGRB-YYZ
17/4Wed
2 stopsAmerican Airlines
10h 48mYYZ-GRB
C$ 761
16/4Tue
2 stopsAmerican Airlines
8h 28mGRB-YYZ
17/4Wed
2 stopsAmerican Airlines
10h 48mYYZ-GRB
C$ 768
13/4Sat
1 stopDelta
3h 55mGRB-YYZ
16/4Tue
1 stopDelta
5h 35mYYZ-GRB
C$ 802
13/4Sat
2 stopsAmerican Airlines
9h 44mGRB-YYZ
16/4Tue
2 stopsAmerican Airlines
10h 48mYYZ-GRB
C$ 899

Search by stops

Search by airline

Search by price

Last minute flights from Green Bay to Ontario

Last minute flight, train and bus deals

3/4Wed
multi-stopDelta
4h 32mGRB-YYZ
5/4Fri
multi-stopDelta
5h 11mYYZ-GRB
C$ 969
3/4Wed
multi-stopAmerican Airlines
8h 07mGRB-YYZ
5/4Fri
multi-stopAmerican Airlines
5h 35mYYZ-GRB
C$ 982
3/4Wed
multi-stopAmerican Airlines
7h 49mGRB-YYZ
5/4Fri
multi-stopAmerican Airlines
9h 45mYYZ-GRB
C$ 989

Search by stops

Search by airline

Search by price

Green Bay - Ontario Flights

Departure:

Green Bay (GRB)United States

Return flight deals:

Ontario - Green Bay

Cabin classes:

Browse destinations: